Seems like everyone is running into the same thing. I installed mine and saw small amounts of white smoke and smelled burnt oil. It looks like turbo seals to me as well... but who knows.
Cobb E40 ProTune by Jake@PTF / VRSF DP's / BMS DCI / ETS 5" FMIC / Hankook Ventus V12
SLIP - 2007 335i 6AT